Cannabis sativa L. - Botany and Biotechnology

(Jacob Rumans) #1

ovary with a style that ends in a pair of long slender feathery stigmas at apex
(Fig.5.2a), a membranous perianth surrounding the ovary, and a bract. The
style-stigma portion of the pistil in wild-growing plants generally measures about
3 mm long and the styles are usually 2-branched. However, Small and Naraine
(2016a) have observed that in illicitly grownCannabiscultivars, which are pro-
tected against pollen, the style-stigma portion averages over 8 mm long and the


Fig. 5.2 Micro-morphology of different parts ofC. sativaa,c,e,fScanning Electron Microscopy
(SEM);b,dLight microscopy (LM)].aFemaleflowers;bOuter surface of a bract showing
numerous glandular trichomes withyellow contents;cPortions of bract and young leaves with
various types of trichomes;dA portion of bract;ePetiole surface covered with nonglandular and
glandular trichomes;fLower surface of leaf base and a portion of petiole showing branching of
major veins to leaf lobes


126 V. Raman et al.

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